Toothbrush



FIG. 1 is a rear view showing my new toothbrush design,

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top end view thereof,

FIG. 6 is a bottom end view thereof; and,

FIG. 7 is a front left perspective view thereof. 

The ornamental design for a toothbrush, as shown and described. 